.site-layout-background {
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-header {
  padding: 0;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1;
}

.top-header .trigger-button {
  padding: 0 24px;
  font-size: 18px;
  line-height: 64px;
  cursor: pointer;
  transition: color 0.3s;
}

.top-header .trigger-button:hover {
  color: #1890ff;
}

.top-header .user-info {
  display: flex;
  align-items: center;
  padding-right: 24px;
}

.top-header .user-info .welcome-text {
  margin-right: 12px;
}

.top-header .user-info .welcome-text .username {
  color: #1890ff;
  margin: 0 4px;
  font-weight: 500;
}

.top-header .user-info .avatar {
  cursor: pointer;
  background-color: #87d068;
}

.top-header .user-info .avatar:hover {
  opacity: 0.8;
}
